// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-117
description: >
    Object.defineProperty - 'O' is an Array, test the length property
    of 'O' is own data property that overrides an inherited data
    property (15.4.5.1 step 1)
---*/

function Test() {
    var arrObj = [0, 1, 2];
    var arrProtoLen;

    assert.throws(TypeError, function() {
      arrProtoLen = Array.prototype.length;
      Array.prototype.length = 0;


      Object.defineProperty(arrObj, "2", {
        configurable: false
      });

      Object.defineProperty(arrObj, "length", {
        value: 1
      });
    });
    assert.sameValue(arrObj.length, 3, 'arrObj.length');
    assert.sameValue(Array.prototype.length, 0, 'Array.prototype.length');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
